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Latest filing published 30 Dec 2021 for 信音. Read the official filing
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One trade, one date: on 30 December 2021, 信昌電子陶瓷股份有限公司 disclosed a transaction in 信音. No broader history exists yet. Every figure here comes from the filings published by TWSE / TPEx (MOPS) and describes the past, not future prices; it is not investment advice.
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